Seiko Cal. 5691 - 688

The 5691-688 is a sought-after Solar piece from Seiko's golden era. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-ced6be4149d7]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1982

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